diff --git a/packages.nix b/packages.nix
index 73d9dda..f49f6b6 100644
--- a/packages.nix
+++ b/packages.nix
@@ -47,6 +47,7 @@
         ecmel.vscode-html-css
         shd101wyy.markdown-preview-enhanced
         jnoortheen.nix-ide
+        arrterian.nix-env-selector
         christian-kohler.path-intellisense
       ] ++ pkgs.vscode-utils.extensionsFromVscodeMarketplace [
         {